package com.itheima.controller;

import com.itheima.service.*;
import com.itheima.service.impl.*;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.Method;

public class BaseServlet extends HttpServlet {
    public CompanyService companyServive;
    public DeptService deptServive;
    public UserService userServive;
    public CourseService courseServive;
    public CatalogService catalogServive;
    public QuestionService questionServive;
    public void init() throws ServletException {
        companyServive = new CompanyServiceImpl();
        deptServive = new DeptServiceImpl();
        userServive = new UserServiceImpl();
        courseServive = new CourseServiceImpl();
        catalogServive = new CatalogServiceImpl();
        questionServive = new QuestionServiceImpl();
    }

    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //1、获取URI
        String uri = req.getRequestURI();
        System.out.println(uri);
        String methodName = uri.substring(uri.lastIndexOf("/") + 1);
        //获取方法对象
        try {
            Method method=this.getClass().getDeclaredMethod(methodName,HttpServletRequest.class,HttpServletResponse.class);
            method.setAccessible(true);
            method.invoke(this,req,resp);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
